<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name" width="700px"></el-table-column>
        <el-table-column label="商品价格（元）" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="85px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="170px">
          <template slot-scope="scope">{{scope.row.add_time|dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="deleteGoodsById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[7, 50, 100, 200]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data () {
    return {
      // 查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 7
      },
      // 商品列表
      goodsList: [],
      // 商品总数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
    // console.log(this)
  },
  methods: {
    // 获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      //   console.log(res)
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    // 页面容量改变
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 页码改变
    handleCurrentChange (newPageNum) {
      this.queryInfo.pagenum = newPageNum
      this.getGoodsList()
    },
    // 点击删除商品时
    async deleteGoodsById (deleteId) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 取消了删除
      if (confirmResult !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      // 确认删除
      const { data: res } = await this.$http.delete(`goods/${deleteId}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    // 点击添加按钮跳转到添加页面
    goAddpage () {
      this.$router.push('/home/add')
    }
  }
}
</script>
<style lang="less" scoped>
.el-row {
  margin-bottom: 20px;
}
</style>
